(HealthDay News) -- Gestational diabetes is first diagnosed while a woman is pregnant.

(HealthDay News) -- A pacemaker is a small implanted device that helps stabilize an irregular heartbeat.

WEDNESDAY, Jan. 12 (HealthDay News) -- Bottle rockets can cause serious eye injuries to children that can lead to permanent vision loss, a new study warns.

THURSDAY, Jan. 13 (HealthDay News) -- Fall screening and prevention should be a regular part of health care for older adults, and all programs to prevent falls should include exercise, according to updated guidelines for preventing falls in the elderly.

THURSDAY, Jan. 13 (HealthDay News) -- The common practice of pill-splitting -- done by patients and health professionals alike to save money or make medications easier to swallow -- is inaccurate and potentially dangerous, a new study suggests.

THURSDAY, Jan. 13 (HealthDay News) -- The heart rhythm disorder atrial fibrillation is increasingly common in kidney dialysis patients and puts them at increased risk for death, researchers have found.

THURSDAY, Jan. 13 (HealthDay News) -- Scientists have developed genetically modified chickens that don't transmit bird flu to other chickens.

THURSDAY, Jan. 13 (HealthDay News) -- Among students who go to university health centers for a physical ailment, between one-fifth and one-quarter are depressed, but the condition often goes undiagnosed because most university health centers don't screen for depression, a new study reports.

THURSDAY, Jan. 13 (HealthDay News) -- This winter will not be a repeat of last year's H1N1 pandemic and instead is turning out to be a more typical flu season, experts say.

THURSDAY, Jan. 13 (HealthDay News) -- Home-based dialysis is an option for patients who've suffered a kidney transplant failure, researchers say.

THURSDAY, Jan. 13 (HealthDay News) -- The more you walk, the lower your risk of diabetes, say Australian researchers.

THURSDAY, Jan. 13 (HealthDay News) -- In an encouraging sign for severely obese women who suffer from incontinence, a new Australian study says that many gain control over urination after undergoing gastric-band weight-loss surgery.

THURSDAY, Jan. 13 (HealthDay News) -- Whether it's winter mid-terms or the upcoming SAT that's got your teen's stomach tied up in knots, a simple intervention might ease their anxiety and improve their scores.

THURSDAY, Jan. 13 (HealthDay News) -- Reports of Arizona Congresswoman Gabrielle Giffords' heartening medical progress continued to arrive Thursday, five days after she was struck in the head at close range by an assassin's bullet.

Here are some of the latest health and medical news developments, compiled by the editors of HealthDay:

(HealthDay News) -- Here are the latest clinical trials, courtesy of ClinicalConnection.com:

THURSDAY, Jan. 13 (HealthDay News) -- Trying to fight the growing child obesity epidemic, new federal guidelines proposed Thursday focus on making school lunches healthier.

THURSDAY, Jan. 13 (HealthDay News) -- Differences in income, gender and race influence Americans' likelihood of being healthy, sick or dying prematurely, a federal government report released Thursday shows.

THURSDAY, Jan. 13 (HealthDay News) -- U.S. health officials announced Thursday that they will lower the maximum amount of the pain reliever acetaminophen allowed in prescription opioid products such as Vicodin and Percocet because of reports of severe liver damage.